/*
 * Copyright 2010-2020 Alfresco Software, Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.activiti.engine.impl.transformer;

import org.activiti.engine.ActivitiException;

/**
 * A Transformer is responsible of transforming an object into a different object
 *

 */
public abstract class AbstractTransformer implements Transformer {

    /**
     * {@inheritDoc}
     */
    public Object transform(Object anObject) {
        try {
            return this.primTransform(anObject);
        } catch (Exception e) {
            throw new ActivitiException(
                "Error while executing transformation from object: " + anObject + " using transformer " + this
            );
        }
    }

    /**
     * Transforms anObject into a different object
     *
     * @param anObject
     *          the object to be transformed
     * @return the transformed object
     */
    protected abstract Object primTransform(Object anObject) throws Exception;
}
